Toonzone attended the Nickelodeon Upfront presentation for 2010. Check below for updates from the upfront on new and returning cartoons on the Nickelodeon family of channels:

UPDATE 3:00 PM Nicktoons will air existing episodes of Teenage Mutant Ninja Turtles. As stated in an earlier press release , the new iteration of TMNT will premiere in 2012.

UPDATE 12:00 PM

Toonzone hosted site Nick and More has posted the full press release of announcements from the Nickelodeon upfront 2010 .

UPDATE 10:41 AM From the press materials:

Six new series will be added to Nickelodeon’s programming line-up this season, including:

Kung Fu Panda: The Series, Nickelodeon’s second collaboration with DreamWorks Animation, chronicles the further adventures of Po, the energetic, enthusiastic, always hungry martial arts panda as he protects the Valley of Peace from threats of all kind. Based on DreamWorks Animation’s hit feature film, Kung Fu Panda, the Nick animated series is executive produced by Cheryl Holliday (King of the Hill, Still Standing, Father of the Pride) and produced at Nickelodeon’s Burbank, CA Animation Studios.

Planet Sheen, executive produced by Steve Odekerk, Keith Alcorn (The Adventures of Jimmy Neutron, Boy Genius) and Jim Hope (George Lopez), is the intergalactic tale of Sheen Guevara Estevez–the hyperactive, attention span-challenged kid from Nickelodeon’s hit Jimmy Neutron– who crash lands on Zeenu and deals with bizarre customs and strange-looking creatures as he tries to return home. Planet Sheen is produced by O Entertainment for Nickelodeon.

T.U.F.F Puppy, created and executive produced by Nickelodeon hit-maker Butch Hartman, follows the gung-ho, dim-witted dog named Dudley Puppy who is thrust into the role of the “hero” when recruited by the super secret crime fighting organization T.U.F.F. (Turbo Undercover Fighting Force) to protect his hometown against the evil animal organization, D.O.O.M. (Diabolical Order of Mayhem). T.U.F.F. Puppy is produced at the Nickelodeon Animation Studios in Burbank, CA.

Bubble Guppies is a new interactive, animated variety show for preschoolers set in a vibrant 3D, CGI-animated underwater classroom. Bubble Guppies–created by Robert Scull and Jonny Belt (The Backyardigans)–has an emergent curriculum: ideas that emerge from preschoolers’ own discovers. Each episode will delve into a preschool topic from a variety of angles as the cast and viewers explore the swaying kelp forests, coral reefs and undersea gardens of their aquarium-inspired surroundings.

Nick’s digital nets–TeenNick, Nicktoons and Nick Jr.–will also add a total of five new shows, four of them animated (or live-action/animated hybrid)

Voltron Panthera Force will premiere on Nicktoons this season. The series follows the exploits of a group of five young cadets brought together under trying circumstances to form a newly appointed Voltron Lion Squad dubbed the “Panthera Force.” Voltron Panthera Force is a World Wide Events production in conjunction with Kick Start Production.

Dragon Ball Z Kai, premiering on Nicktoons in May 2010, follows the last descendants of an evil race of warriors, known as the Saiyans, on their collision course with Earth. Goku–the strongest fighter on the planet–is all that stands between humanity and extinction and must face the villainous Saiyan warlord. Dragon Ball Z Kai is developed by FUNimation Entertainment.

Teenage Mutant Ninja Turtles debuting this season on Nicktoons, is based on four mutant turtles–trained in the art of Ninjitsu–who battle evil from the New York sewers. The animated series was recently acquired by Nickelodeon and is jointly produced by 4Kids Entertainment and Mirage Studios. Teenage Mutant Ninja Turtles is considered on of the most popular kids’ television programs and was created in 1984 by Kevin Eastman and Peter Laird as a successful comic book series.

Dino Dan will premiere fall 2010 on Nick Jr. The new original series combines live-action with CGI-animation to create an adventure filled modern day world where dinosaurs roam freely. Developed and produced by Sinking Ship Entertainment and produced by J.J. Johnson, Dino Dan will deal with relatable kids’ issues and teach preschoolers scientific information from new species to dinosaur vocabulary. Dino Dan was co-developed by real life paleontologist-in-training, 11-year-old Daniel Cook.

UPDATE 10:18 AM The 2010 Nickelodeon upfront is finished. Keep watching for more press materials from the event. UPDATE 09:52 AM Other returning series this year will be Dora the Explorer, Go, Diego, Go, Team Umizoomi, and The Wonder Pets. UPDATE 09:21 AM There were a substantial number of kids in the audience, serving as an immediate test group. Some information was made available in the press kit before the upfront began:

TMNT will debut this season, but the press kit does not state whether this is a new show, new episodes of the previous series, or a re-airing of an earlier series.

Voltron Panthera Force will premiere on Nicktoons this season.

Dragonball Z Kai will premiere in May 2010.

Other new series were named, including Kung Fu Panda: The Series, Planet Sheen, T.U.F.F. Puppy, and Bubble Guppies.

The popular SpongeBob SquarePants and Penguins of Madagascar will return for new seasons.